<div dir="ltr">Hello Rafael<div><br></div><div>I just configure the NextEPC to connect via SGS to OSMO-MSC, like this:</div><div><br></div><div> sgsap:<br> addr: 127.0.0.1<br> port: 29118<br> name: <a href="http://vlr.example.net">vlr.example.net</a><br> tai:<br> plmn_id:<br> mcc: 724<br> mnc: 21<br> tac: 12345<br> lai:<br> plmn_id:<br> mcc: 724<br> mnc: 4<br> lac: 51544<br></div><div><br></div><div>And the configuration in the MSC:</div><div><br></div><div>sgs<br> local-port 29118<br> local-ip 0.0.0.0<br> vlr-name <a href="http://vlr.example.net">vlr.example.net</a><br></div><div><br></div><div>And configure the IMSI in the Osmo-HLR and NextEPC-HSS</div><div><br></div><div>If you need more help tell me.</div><div><br></div><div><br>Thanks</div><div><br></div><div>Romeu Medeiros</div><div><br></div><div><br></div><div>And </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 19, 2019 at 1:31 PM Rafael Diniz <<a href="mailto:rafael@rhizomatica.org">rafael@rhizomatica.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi all,<br>
<br>
I'd also like to test SMS and CSFB in LTE. I have some experience with<br>
the Osmocom GSM stack, but not much with the NextEPC LTE. Could you<br>
point me which fields should I set in the configuration files?<br>
<br>
Thanks,<br>
Rafael Diniz<br>
<br>
On 7/13/19 6:35 PM, Romeu Medeiros wrote:<br>
> Hello Sukchan and friends.<br>
> <br>
> I'm trying to use the CSFB in test lab, and every time that nextepc send<br>
> the UEContextModificationRequest, the UE respond with an<br>
> UEContextModificationFaliure [ Protocol-cause=semantic-error ].<br>
> <br>
> image.png<br>
> <br>
> I'm looking why I'm getting this. Someone have any idea?<br>
> <br>
> Thanks<br>
> <br>
> Romeu Medeiros<br>
> <br>
> On Thu, Jul 11, 2019 at 12:15 PM Sukchan Lee <<a href="mailto:acetcom@gmail.com" target="_blank">acetcom@gmail.com</a><br>
> <mailto:<a href="mailto:acetcom@gmail.com" target="_blank">acetcom@gmail.com</a>>> wrote:<br>
> <br>
> Dear Osmocom & NextEPC Community,<br>
> <br>
> Today I've added CS Fallback and released NextEPC v0.5.0<br>
> <br>
> So, I'd just like to test this part with Osmocom project, but it<br>
> seems to be a difficult task. The reason is why I have little<br>
> knowledge about 2G/3G. Nevertheless, I will try to do it<br>
> <br>
> BTW, I don't know if there is anyone who wants to integrate this big<br>
> thing.<br>
> Even though I'm not sure if this will help, but let me introduce the<br>
> configuration of the NextEPC.<br>
> <br>
> To use SGsAP, change the mme.conf as follows:<br>
> <br>
> #<br>
> # <sgsap><br>
> #<br>
> # o Single MSC/VLR<br>
> # sgsap:<br>
> # addr: 127.0.0.2<br>
> # plmn_id:<br>
> # mcc: 001<br>
> # mnc: 01<br>
> # tac: 4130<br>
> # lac: 43690<br>
> #<br>
> # o Multiple MSC/VLR<br>
> # sgsap:<br>
> # - addr: 127.0.0.2<br>
> # plmn_id:<br>
> # mcc: 001<br>
> # mnc: 01<br>
> # tac: 4131<br>
> # lac: 43692<br>
> # - addr<br>
> # - 127.0.0.3<br>
> # - fe80::2%lo0<br>
> # plmn_id:<br>
> # mcc: 001<br>
> # mnc: 01<br>
> # tac: 4132<br>
> # lac: 43692<br>
> # - name: <a href="http://msc.open5gs.org" rel="noreferrer" target="_blank">msc.open5gs.org</a> <<a href="http://msc.open5gs.org" rel="noreferrer" target="_blank">http://msc.open5gs.org</a>><br>
> # plmn_id:<br>
> # mcc: 001<br>
> # mnc: 01<br>
> # tac: 4133<br>
> # lac: 43693<br>
> #<br>
> <br>
> FYI, I also attach the pcap that I run with nextepc simulator as below.<br>
> <br>
> $ ./tests/testcsfb<br>
> mo-idle-test : SUCCESS<br>
> mt-idle-test : SUCCESS<br>
> mo-active-test : SUCCESS<br>
> mt-active-test : SUCCESS<br>
> All tests passed.<br>
> <br>
> Feel free to raise any questions about this things.<br>
> <br>
> Best Regards,<br>
> Sukchan<br>
> <br>
<br>
</blockquote></div>